/Engine/Source/Runtime/Core/Public/GenericPlatform/GenericPlatformDriver.h
a driver version intended to be shown to the user e.g. "15.30.1025.1001 12/17/2015 (Crimson Edition 15.12)"
[FString](API\Runtime\Core\Containers\FString) GetSuggestedDriverVersion ( const [FString](API\Runtime\Core\Containers\FString) & InRHIName ) const